Home / 1,076,955.53-1,615,450.16-318,873.90

Finding the Fourth Proportional to 1,076,955.53, 1,615,450.16 and 318,873.90

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Solution

The fourth proportional to 1,076,955.53, 1,615,450.16 and 318,873.90 is: 478,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,955.53 : 1,615,450.16 = 318,873.90 : x
  2. Step 2: Convert to fraction form
    1,076,955.53/1,615,450.16 = 318,873.90/x
  3. Step 3: Cross multiply
    1,076,955.53x = 1,615,450.16 × 318,873.90
  4. Step 4: Simplify right side
    1,076,955.53x = 515,124,892,774.82
  5. Step 5: Solve for x
    x = 515,124,892,774.82/1,076,955.53
  6. Step 6: Final answer
    x = 478,315.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.